Kleopatros of Bithynia

Kleopatros of Bithynia was King of Bithynia during the 3rd century BC.

Biography
Kleopatros was born in Nicomedia, Bithynia, and he came from a Hellenized Anatolian family of nobles. He came to be King of Bithynia by 281 BC, when he formed a defensive alliance with King Mithridates I of Pontus. Kleopatros was said to have been treacherous, but he and Mithridates fought alongside each other against the expansionist Gauls of Galatia. While Mithridates had the upper hand during his conquest of several Galatian cities, the Galatian armies turned on Nicomedia, which they besieged.